GPT and Hepatic fibrosis: Furthermore, significant liver fibrosis was detected in 67.0% and 72.4% of patients with aged < 30 years and aged ≥ 30 years, and in 55.5%, 70.0% and 81.9% of patients with ALT < 1 × ULN, 1–2 × ULN, and ≥ 2 × ULN, respectively (Fig. 2D).